54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
# Copyright (c) 2012, Cloudscaling
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import re
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session_check = re.compile("\w*def [a-zA-Z0-9].*[(].*session.*[)]")
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def import_no_db_in_virt(logical_line, filename):
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"""Check for db calls from nova/virt
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As of grizzly-2 all the database calls have been removed from
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nova/virt, and we want to keep it that way.
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N307
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"""
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if "nova/virt" in filename and not filename.endswith("fake.py"):
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if logical_line.startswith("from nova import db"):
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yield (0, "N307: nova.db import not allowed in nova/virt/*")
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def no_db_session_in_public_api(logical_line, filename):
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if "db/api.py" in filename or "db/sqlalchemy/api.py" in filename:
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if session_check.match(logical_line):
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yield (0, "N309: public db api methods may not accept session")
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def use_timeutils_utcnow(logical_line):
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msg = "N310: timeutils.%s() must be used instead of datetime.%s()"
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datetime_funcs = ['now', 'utcnow']
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for f in datetime_funcs:
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pos = logical_line.find('datetime.%s' % f)
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if pos != -1:
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yield (pos, msg % (f, f))
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def factory(register):
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register(import_no_db_in_virt)
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register(no_db_session_in_public_api)
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register(use_timeutils_utcnow)
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